5
Subject to change without notice | 83054200iUK | ait-deutschland GmbH
During the warranty and guarantee period, service
work and repairs may only be carried out by personnel
authorised by the manufacturer.
DANGER
Danger of fatal injury due to electric
current!
Electrical connections may be installed
only by qualified electricians.
Before opening the unit, disconnect the
system from the power supply and secure
it from being switched back on!
Existing earthing connections within housings or on
mounting plates must not be altered. If this should nev
-
ertheless be necessary in the course of repair or as
-
sembly work:
► Restore earthing connections to their original con
-
dition after completion of the work.
IMPORTANT
If using the unit in 3~230V systems, please
note that the residual-current circuit breaker
(RCCB) used must be AC-DC sensitive.
WARNING
Observe safety labels on and in the unit.
WARNING
Unit contains refrigerants!
Leaking refrigerant could result in person-
al injury or material damage. Therefore:
● Shut down unit.
● Notify the manufacturer’s authorized ser
-
vice center.
IMPORTANT
For safety reasons:
Never disconnect the unit from the power
supply, unless the unit is being opened.
IMPORTANT
Install the heat pump only outdoors and op
-
erate only with outside air as the heat source.
Do not restrict or block the air-conducting
sides.
“Dimensional drawings“, from page 27, and “In
-
stallation plans“, from page 29, for respective
unit model
WARNING
Never switch on unit if air flow baffles on
the unit are removed.
IMPORTANT
The integration of the heat pump in ventila
-
tion systems is not permissible. The use of
the cooled air for cooling purposes is not per
-
mitted.
IMPORTANT
The ambient air in the location where the
heating pump is installed and also the intake
air which is used as a source of heat must not
contain any kind of corrosive components!
Components such as ammonia, sulphur,
chlorine, salt, sewer gas, flue gases etc. may
cause damage leading to complete failure or
even a total write-off of the heating pump!
CAUTION
In the air outlet area the air temperature is
approx. 5 K below the ambient temperature.
Under certain climatic conditions, an ice lay-
er can therefore form in the air outlet area.
Install the heat pump such that the air blow-
er does not discharge into footpath areas.
Decommissioning / draining the heating
If the system/heat pump is decommissioned or drained
after already being filled, it must be ensured that
the condenser and any heat exchangers have been
drained completely in the event of freezing tempera
-
tures. Residual water in heat exchangers and con
-
densers can result in damage to the components.
1. Completely drain the system and the condenser,
and open vent valves.
2. Blow them clear with compressed air, if required.
Содержание LW 140A
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